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3780380 = 225189019
BaseRepresentation
bin1110011010111100011100
321010001201002
432122330130
51431433010
6213005432
744063342
oct16327434
97101632
103780380
11215228a
121323878
13a24916
14705992
154ea1a5
hex39af1c

3780380 has 12 divisors (see below), whose sum is σ = 7938840. Its totient is φ = 1512144.

The previous prime is 3780377. The next prime is 3780389. The reversal of 3780380 is 830873.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3780389) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 94490 + ... + 94529.

It is an arithmetic number, because the mean of its divisors is an integer number (661570).

Almost surely, 23780380 is an apocalyptic number.

It is an amenable number.

3780380 is an abundant number, since it is smaller than the sum of its proper divisors (4158460).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3780380 is a wasteful number, since it uses less digits than its factorization.

3780380 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 189028 (or 189026 counting only the distinct ones).

The product of its (nonzero) digits is 4032, while the sum is 29.

The square root of 3780380 is about 1944.3199325214. The cubic root of 3780380 is about 155.7800428482.

The spelling of 3780380 in words is "three million, seven hundred eighty thousand, three hundred eighty".

Divisors: 1 2 4 5 10 20 189019 378038 756076 945095 1890190 3780380